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5G ultra-reliable and low-latency systems design
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2017
Year
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5G NetworksNew RadioEngineeringMachine-type Communications5G SystemUltra-reliable Low-latency CommunicationEdge ComputingCloud ComputingQuality-of-serviceComputer EngineeringSystems Engineering6GLow LatencyMobile BroadbandLow-latency Systems DesignUltra-low LatencyUrllc ServicesQueueing Systems
5G New Radio is designed to support eMBB, URLLC, and mMTC, with URLLC demanding secure, ultra‑reliable, deadline‑based low‑latency communication that differs markedly from traditional broadband QoS. The paper aims to outline system‑design principles that enable URLLC services in 5G. The authors employ theoretical queueing analysis and system‑level simulations to justify these design choices, many of which are incorporated as work items in 3GPP Release 15.
5G New Radio (NR) is envisioned to support three broad categories of services: evolved mobile broadband (eMBB), ultra-reliable and low-latency communications (URLLC), and massive machine-type communications (mMTC). The URLLC services refer to future applications that require secure data communications from one end to another with ultra-high reliability and deadline-based low latency requirements. This type of quality-of-service is vastly different from that of traditional mobile broadband applications. In this paper, we discuss the systems design principles to enable the URLLC services in 5G. Theoretical queueing analysis and system-level simulations are provided to support these systems design choices, many of which have been considered as work items in the 3GPP Release 15 standards, which will be the first release for 5G NR.